On August 6, 1945, a 10-foot-long uranium bomb called "Little Boy" was dropped on the Japanese city of Hiroshima.

Whether it was an effective strategy is debatable.

Hiroshima on Thursday marked the 81st anniversary of the U.S. atomic bombing of the western Japanese city, with its mayor ...

In 1945, the United States dropped an atomic bomb on the Japanese city of Hiroshima. Three days later an atomic bomb hit ...

The decision to drop an atomic bomb on Hiroshima continues to stir debate today.

The United States conducted a new round of airstrikes early Monday targeting Iran after announcing the death of another American service member.

The printing press, light bulb, internal combustion engine and computer moved the world into a mostly better future.

The weapon, one of the largest in the U.S.’s arsenal, struck a house in a heavily populated area, according to a Times analysis.

DAY FIVE OF BOMBING: For a fifth day in a row the U.S. and Iran have traded airstrikes, as the U.S. Central Command has ramped up its air campaign to a ferocity not seen since the beginning of ...